model	 trise	 tfall	 tplh
TT	1.311205e-10	1.375724e-10	8.974873e-11
TT	1.037816e-10	1.193547e-10	8.008263e-11
TT	9.284270e-11	1.110806e-10	7.587214e-11
TT	8.798380e-11	1.069763e-10	7.345861e-11
